Home / 45,589.08-62,941.80-31,272.88

Finding the Fourth Proportional to 45,589.08, 62,941.80 and 31,272.88

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Solution

The fourth proportional to 45,589.08, 62,941.80 and 31,272.88 is: 43,176.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,589.08 : 62,941.80 = 31,272.88 : x
  2. Step 2: Convert to fraction form
    45,589.08/62,941.80 = 31,272.88/x
  3. Step 3: Cross multiply
    45,589.08x = 62,941.80 × 31,272.88
  4. Step 4: Simplify right side
    45,589.08x = 1,968,371,358.38
  5. Step 5: Solve for x
    x = 1,968,371,358.38/45,589.08
  6. Step 6: Final answer
    x = 43,176.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.